YK-L64T stereo microscope led ring light, Specification:Outer diameter: 98mm
Inner diameter: 61mm
Wattage:4.5W
Input voltage:90V-264V
Output voltage:DC12V
Brightness adjust:0-100%
Working distance:50-250mm
Quantity of LED:64PCS
Brightness:16000Lux at height of 100mm
Color of light:6400K
Warranty:1year